bitbake/utils.py: Add prunedir function to utils collection

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5065 311d38ba-8fff-0310-9ca6-ca027cbcb966

1 files changed, 10 insertions, 0 deletions

diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 19327b7157..ec46021b55 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -268,3 +268,13 @@ def sha256_file(filename):
     for line in open(filename):
         s.update(line)
     return s.hexdigest()
+
+def prunedir(topdir):
+    # Delete everything reachable from the directory named in 'topdir'.
+    # CAUTION:  This is dangerous!
+    for root, dirs, files in os.walk(topdir, topdown=False):
+        for name in files:
+            os.remove(os.path.join(root, name))
+        for name in dirs:
+            os.rmdir(os.path.join(root, name))
+    os.rmdir(topdir)